source file of the GNU LilyPond music typesetter
- (c) 2002--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ (c) 2002--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "engraver.hh"
#include "note-column.hh"
#include "pointer-group-interface.hh"
#include "side-position-interface.hh"
+#include "stream-event.hh"
+#include "spanner.hh"
+#include "item.hh"
#include "translator.icc"
{
public:
TRANSLATOR_DECLARATIONS (Horizontal_bracket_engraver);
- Link_array<Spanner> bracket_stack_;
- Link_array<Music> events_;
- int pop_count_;
- int push_count_;
+ vector<Spanner*> bracket_stack_;
+ vector<Stream_event*> events_;
+ vsize pop_count_;
+ vsize push_count_;
- virtual bool try_music (Music *);
void stop_translation_timestep ();
void process_music ();
DECLARE_ACKNOWLEDGER (note_column);
+ DECLARE_TRANSLATOR_LISTENER (note_grouping);
};
ADD_ACKNOWLEDGER (Horizontal_bracket_engraver, note_column);
ADD_TRANSLATOR (Horizontal_bracket_engraver,
"Create horizontal brackets over notes for musical analysis purposes.",
"HorizontalBracket",
- "note-grouping-event",
"",
"");
push_count_ = 0;
}
-bool
-Horizontal_bracket_engraver::try_music (Music *m)
+IMPLEMENT_TRANSLATOR_LISTENER (Horizontal_bracket_engraver, note_grouping);
+void
+Horizontal_bracket_engraver::listen_note_grouping (Stream_event *ev)
{
- if (m->is_mus_type ("note-grouping-event"))
+ Direction d = to_dir (ev->get_property ("span-direction"));
+
+ if (d == STOP)
+ {
+ pop_count_++;
+ if (pop_count_ > bracket_stack_.size ())
+ ev->origin ()->warning (_ ("do not have that many brackets"));
+ }
+ else
{
- Direction d = to_dir (m->get_property ("span-direction"));
-
- if (d == STOP)
- {
- pop_count_++;
- if (pop_count_ > bracket_stack_.size ())
- m->origin ()->warning (_ ("don't have that many brackets"));
- }
- else
- {
- push_count_++;
- events_.push_back (m);
- }
-
- if (pop_count_ && push_count_)
- m->origin ()->warning (_ ("conflicting note group events"));
-
- return true;
+ push_count_++;
+ events_.push_back (ev);
}
- return false;
+
+ if (pop_count_ && push_count_)
+ ev->origin ()->warning (_ ("conflicting note group events"));
}
void
void
Horizontal_bracket_engraver::process_music ()
{
- for (int k = 0; k < push_count_; k++)
+ for (vsize k = 0; k < push_count_; k++)
{
Spanner *sp = make_spanner ("HorizontalBracket", events_[k]->self_scm ());
for (vsize i = 0; i < bracket_stack_.size (); i++)
- {
- /*
- sp is the smallest, it should be added to the bigger brackets.
- */
- Side_position_interface::add_support (bracket_stack_[i], sp);
- }
+ /* sp is the smallest, it should be added to the bigger brackets. */
+ Side_position_interface::add_support (bracket_stack_[i], sp);
bracket_stack_.push_back (sp);
}
}
Horizontal_bracket_engraver::stop_translation_timestep ()
{
for (int i = pop_count_; i--;)
- {
- if (bracket_stack_.size ())
- bracket_stack_.pop ();
- }
+ if (bracket_stack_.size ())
+ bracket_stack_.pop_back ();
pop_count_ = 0;
push_count_ = 0;
}